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问题:

[单选] What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?()

A . It fails with the ORA-665610 Invalid DDL statement on history-tracked message
B . The rows in the table are truncated without being archived.
C . The rows in the table are archived, and then truncated.
D . The rows in both the table and the archive are truncated.

The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option?()  Control files。  Password files。  Inactive online redo log file。  Archived log files required to perform recovery。  Newly created tablespace which is not backed u。 测量主轴圆跳动,即可综合反映轴的同轴度和圆度。 Given that c is a reference to a valid java.io.Console object, which two code fragments read a line of text from the console?() String s = c.readLine();。 char[ ] c = c.readLine();。 String s = c.readConsole();。 char[ ] c = c.readConsole();。 String s = c.readLine("%s", "name ");。 char[ ] c = c.readLine("%s", "name ");。 Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently, the warning threshold for the tablespace usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool, you want to reduce the frequency of alert generation for the tablespace usage metrics for the APPS tablespace. What should you do?()  Disable SQL tracing for the APPS tablespace.。  Disable logging attributes for the APPS tablespace.。  Modify the tablespace to be a dictionary-managed tablespace.。  Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.。  Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.。 超高压输电线路单相跳闸熄弧较慢,是由于()。 短路电流小。 单相跳闸慢。 潜供电流的影向。 What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?()
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